Littlefoot and his friends help out the now-intellegent dinosaurs (who are related to some of Littlefoot's friends) from Prehistoric times and with the help of Ash, SpongeBob, and their friends. They will help the dinosaurs find Dr. Bleeb, and to avoid the villianous Professor Screweyes, whom Plankton, Jafar, Iago, Shenzi, Banzai, Ed, and Team Rocket (Jessie, James, and Meowth) are working for.

This is the first Land Before Time crossover film guest starring Ash and his friends and Team Rocket and also the first Land Before Time crossover film with a non-Disney film to feature guest stars. It is also the first Land Before Time crossover The Vultures, Jminy Cricket, and Zazu guest star in.

This is the first Land Before Time crossover film to guest star a Disney character.

Rex, Elsa, Woog, and Dweeb are revealed to be relatives of Chomper, Petrie, Cera, Ducky, and Spike (since he's Ducky's adopted brother). Rex is revealed to be Chomper's uncle, Elsa is revealed to be Petrie's aunt, Woog is revealed to be Cera's uncle, and Dweeb is revealed to be not only Ducky's uncle, but also Spike's adoptive uncle.

Like Yakko Warner's upcoming remake version of LionKingRulezAgain1's film Simba, Timon, and Pumbaa's Adventures of We're Back! A Dinosaur's Story, this is an NTSC film with NTSC bits from The Land Before Time films, The Jungle Book 1 and 2, Pinocchio, Mickey's Christmas Carol, Mickey's Magical Christmas: Snowed in at the House of Mouse, The Lion King films, the Pokémon films, The SpongeBob SquarePants Movie, the Aladdin films, and Mickey's House of Villains.

Both The Land Before Time and We're Back! A Dinosaur's Story were produced by Universal Pictures and Amblin Entertainment and featured the music score and songs composed by the late James Horner, who also composed the music for the early 1990's Universal Pictures logo.

Both The Land Before Time II: The Great Valley Adventure and The Return of Jafar were first released directly to home video in 1994, the same year that The Lion King was first released in theaters and We're Back! A Dinosaur's Story was first released on home video.

Both The Land Before Time VI: The Secret of Saurus Rock and The Lion King II: Simba's Pride were first released directly to home video in 1998, the same year Pokémon was first broadcast on US television and both the first five Land Before Time films and We're Back! A Dinosaur's Story were re-released on VHS under Universal Family Features.

Pinocchio was first released on Blu-ray in 2009, the same year We're Back! A Dinosaur's Story was first released on DVD.

The Land Before Time, Aladdin, and We're Back! A Dinosaur's Story will all be released on Blu-ray in 2015.

This film will be dedicated to the memories of Walter Cronkite (1916–2009), who voiced Captain Neweyes in the real film and died of cerebrovascular disease, Kenneth Mars (1935–2011), who voiced Professor Screweyes in the real film and died of pancreatic cancer, and James Horner (1953-2015), who composed the music scores and songs for both The Land Before Time and We're Back! A Dinosaur's Story and died in a plane crash.

Yru17 originally planned to re-edit this film, but he retired from re-editing anymore crossovers, so Daniel Esposito will make this film instead.